Supports Socket-7 base CPU up to 66MHz FSB

SiS 5598 chipset

Two 72-pin SIMM sockets up to 256MB EDO RAM ( PCISA158HV )

Two 168-pin DIMM sockets up to 256MB SDRAM ( PCISA258EV )

Built-in VGA with share memory architecture

Realtek RTL8139 10/100Mbps Ethernet chip on board ( PCISA258EV )

CPU : Socket-7 base support Intel^® Pentium^® MMX, AMD K6, IDT WinChip ...  up to 66MHz FSB 

External Cache Memory : 512 KB

System Memory : 
--> PCISA158HV : Two 72-pin SIMM sockets up to 256MB EDO RAM
--> PCISA258EV : Two 168-pin DIMM sockets up to 256MB SDRAM

System Chipset : SiS 5598

BIOS :
--> PCISA158HV : Award PnP Flash BIOS
--> PCISA258EV : AMI PnP Flash BIOS

Video Controller :
--> Chip : Built-in SiS 5598 Chipset
--> Bus : Internal PCI
--> V-RAM : Share with system memory, up to 4MB
--> Resolution : 1280 x 1024 ( 256 colors )
--> Connector : DB-15 for CRT display

Super I/O :
--> 2 x RS-232 ports
--> 1 x parallel port ( support SPP/EPP/ECP mode )
--> IrDA port

USB Ports : Two ports by pin-header, meets USB ver.1 standard

Ethernet : Realtek RTL8139 10/100Mbps Ethernet chip with RJ-45 connector (PCISA258EV)

IDE :
--> PCISA158HV : One Ultra DMA33 interface with one 40-pin pin-header
--> PCISA258EV : Dual Ultra DMA33 interface with tow 40-pin pin-header

FDD : One port

Watchdog Timer

SSD : One DiskOnChip^TM socket

ISAPLUS^TM : Designed to enhance the ISA bus drive capability

E²Key^TM : A non-volatile 1Kbit EEPROM is provided to retain application critical read/write data

Power Consumption : 
--> PCISA158HV : 4.6A@+5V, 70mA@+12V, 20mA@-12V (Pentium^® MMX 200MHz CPU and 16MB EDO RAM)
--> PCISA258EV : 6A@+5V, 170mA@+12V, 60mA@-12V (Pentium^® MMX 200MHz CPU and 32MB EDO RAM)

Operating Temperature : 0^o ~ 55^oC (CPU needs good Cooler)

Relative humidity : 5 ~ 95%, non-condensing